Suppose you have the 26 letters of the alphabet on separate cards in a hat. you pick out a card, write down the letter, put the card back in the hat, mix up the cards, pick out another card, and so on. what is the probability that on your first four draws your letters spell math?

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?